Time Zones - Calculator

Calculates the time of day of time zones from the difference to the world time (UTC). The current world time is displayed and as example Central European Time (+1, CET) or Central European Summer Time (+2, CEST). Enter a world time and the difference of one or two times zones, whose time will be calculated and if it is on the same day (today) or another (yesterday, tomorrow).

Some important time zones are:
Japan Standard Time (JST): +9h
China Standard Time (CST): +8h
India Standard Time (IST): +5h30min
Moscow Standard Time (MST): +3h
Central European Time (CET): +1h
Greenwich Mean Time (GMT): ±0h
Eastern Standard Time: (EST): -5h
Pacific Standard Time (PST): -8h
For the time zones of the world, see table of time zones.

If in the according country daylight saving time (summer time) is active, one hour is added (+1h).